In a multicenter study, potassium dichromate-preserved stools from patients infected with Cryptosporidium parvum (n = 20), C. hominis (n = 20), and other Cryptosporidium species (n = 10) and 60 controls were examined using four immunochromatographic assays. Assay sensitivity ranged between 50.1% and 86.7% for C. parvum and C. hominis but was <35% for other species.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3122847PMC
http://dx.doi.org/10.1128/JCM.02074-10DOI Listing

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